If you took the photo yourself, you can signify this by using the tag [OC] (original content) and after 24 hours you will be given special flair. If you don't receive flair after a few days feel free to message the mods.

edit: just checked, it is the top for activity, third for total submissions and fifth for submissions per day. I used http://stattit.com/subreddits/ to check, so I'm not sure how accurate it is but thats what I found.